package com.aop;

import com.impl.Component;

@Aspect
@Component
public class AnnoAdvice {
    // 切点
    @Pointcut("execution(* com.dao.impl.UserDaoImpl.*(...))")
    public void poincut() {
    }
    // 前置通知
    @Before("poincut()")
    public void before(JoinPoint joinPoint) {
        System.out.print("这是前置通知");
        System.out.print("目标类是:"+joinPoint.getTarget());
        System.out.println(",被织入增强处理的目标方法:"+
                joinPoint.getSignature().getName());
    }
    // 返回通知
    @AfterReturning("poincut()")
    public void afterReturning(JoinPoint joinPoint) {
        System.out.print("这是返回通知！");
        System.out.println("被织入增强处理的目标方法为："+joinPoint.getSignature().getName());
    }
    // 环绕通知
    @Around("poincut()")
    public Object around(ProceedingJoinPoint point) throws Throwable{
      System.out.println("这是环绕通知之前的部分！");
      Object object = point.proceed();
      System.out.println("这是环绕通知之后的部分！");
      return object;
    }
    // 异常通知
    @AfterThrowing("poincut()")
    public void afterException() {
        System.out.println("异常通知");
    }
    // 后置通知
    @After("poincut()")
    public void after() {
        System.out.println("这是后置通知！");
    }
}
